{"uid":"cap_aekmzj-br3hFZM2FEMFRO","slug":"agenttools-roman-numeral-converter-e95c62d3","name":"AgentTools Roman Numeral Converter","description":"Convert numbers to Roman numerals (1–3999) and Roman numerals back to numbers, with strict validation that rejects non-standard forms like IIIM or VX. Use this when an agent needs to numbers ↔ Roman numerals, with validation.","url":"https://agenttools-hub.vercel.app/api/v1/converters/roman-numeral-converter?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["value"],"properties":{"op":{"enum":["to_roman","from_roman"],"type":"string","description":"Direction"},"value":{"type":"string","description":"Number or numeral"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_U4SwARE5bwwKGGifxc6u4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Bidirectionally converts integers (1–3999) to Roman numerals and Roman numerals back to integers, with strict validation rejecting non-standard forms.","exampleAgentPrompt":"Convert 2024 to Roman numerals — and also tell me what number XLII is.","exampleUseCases":[{"title":"Year formatted as Roman numerals","prompt":"What is the year 1999 written in Roman numerals?"},{"title":"Decode a Roman numeral inscription","prompt":"I found the inscription MCMXLVIII on a building — what year does that correspond to?"},{"title":"Validate and convert a Roman numeral","prompt":"Is IIIM a valid Roman numeral? If so, what number does it represent?"}],"resultDescription":"Returns a converted value — either the Roman numeral string for a given integer, or the integer for a given Roman numeral — along with a validation status that rejects non-standard forms like IIIM or VX.","failureModes":["Input integer out of range (below 1 or above 3999) returns validation error","Non-standard Roman numeral form (e.g. IIIM, VX) is rejected with a validation error","Malformed or non-numeric input string returns a parsing error","Missing required 'value' query parameter returns a 400 error","Missing or invalid 'op' parameter may default or error depending on service behavior"],"whenToPreferThis":"Choose this endpoint when you need strict, standards-compliant Roman numeral conversion with validation — especially useful when user input may be malformed or non-standard and you need clear rejection of invalid forms rather than silent best-guess parsing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:07.820Z","isFirstParty":false,"canonicalSlug":"agenttools-roman-numeral-converter-e95c62d3"}